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- PDB-7njm: Mycobacterium smegmatis ATP synthase state 1c -

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Basic information

Entry
Database: PDB / ID: 7njm
TitleMycobacterium smegmatis ATP synthase state 1c
Components(ATP synthase ...) x 8
KeywordsHYDROLASE / complex / synthase
Function / homology
Function and homology information


plasma membrane ATP synthesis coupled proton transport / proton-transporting ATP synthase complex, coupling factor F(o) / proton-transporting ATP synthase complex, catalytic core F(1) / H+-transporting two-sector ATPase / proton-transporting ATPase activity, rotational mechanism / proton-transporting ATP synthase activity, rotational mechanism / lipid binding / hydrolase activity / integral component of membrane / ATP binding / plasma membrane
Similarity search - Function
ATP synthase, F0 complex, subunit b, bacterial / F-type ATP synthase subunit B-like, membrane domain superfamily / ATP synthase, F0 complex, subunit b/b', bacterial/chloroplast / ATP synthase B/B' CF(0) / ATP synthase, F0 complex, subunit C, bacterial/chloroplast / ATP synthase a subunit signature. / ATP synthase, F0 complex, subunit A / ATP synthase A chain / ATP synthase, F0 complex, subunit A superfamily / ATP synthase, F0 complex, subunit A, active site ...ATP synthase, F0 complex, subunit b, bacterial / F-type ATP synthase subunit B-like, membrane domain superfamily / ATP synthase, F0 complex, subunit b/b', bacterial/chloroplast / ATP synthase B/B' CF(0) / ATP synthase, F0 complex, subunit C, bacterial/chloroplast / ATP synthase a subunit signature. / ATP synthase, F0 complex, subunit A / ATP synthase A chain / ATP synthase, F0 complex, subunit A superfamily / ATP synthase, F0 complex, subunit A, active site / ATPase, OSCP/delta subunit / ATP synthase delta (OSCP) subunit / ATP synthase, F1 complex, delta/epsilon subunit, N-terminal / ATP synthase, F1 complex, delta/epsilon subunit / ATP synthase, Delta/Epsilon chain, beta-sandwich domain / F0F1 ATP synthase delta/epsilon subunit, N-terminal / ATP synthase gamma subunit signature. / ATP synthase, F1 complex, beta subunit / ATP synthase, F1 complex, gamma subunit conserved site / ATP synthase, F0 complex, subunit C / F1F0 ATP synthase subunit C superfamily / ATP synthase c subunit signature. / ATP synthase, F0 complex, subunit C, DCCD-binding site / ATP synthase, F1 complex, gamma subunit superfamily / ATP synthase / ATP synthase, F1 complex, gamma subunit / ATP synthase, F1 complex, alpha subunit nucleotide-binding domain / ATP synthase alpha/beta chain, C terminal domain / ATP synthase, alpha subunit, C-terminal domain superfamily / ATP synthase, alpha subunit, C-terminal / ATP synthase, F1 complex, alpha subunit / ATP synthase subunit C / V-ATPase proteolipid subunit C-like domain / F/V-ATP synthase subunit C superfamily / ATPase, F1/V1 complex, beta/alpha subunit, C-terminal / ATPase, F1/V1/A1 complex, alpha/beta subunit, N-terminal domain superfamily / ATP synthase subunit alpha, N-terminal domain-like superfamily / ATP synthase alpha/beta family, beta-barrel domain / ATPase, F1/V1/A1 complex, alpha/beta subunit, N-terminal domain / ATP synthase alpha and beta subunits signature. / ATPase, alpha/beta subunit, nucleotide-binding domain, active site / ATPase, F1/V1/A1 complex, alpha/beta subunit, nucleotide-binding domain / ATP synthase alpha/beta family, nucleotide-binding domain / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
ATP synthase subunit alpha / ATP synthase subunit c / ATP synthase subunit b / ATP synthase subunit b-delta / ADENOSINE-5'-DIPHOSPHATE / ATP synthase gamma chain / ATP synthase subunit beta / ATP synthase epsilon chain / ADENOSINE-5'-TRIPHOSPHATE / ATP synthase subunit a
Similarity search - Component
Biological speciesMycolicibacterium smegmatis (bacteria)
Mycobacterium smegmatis (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.84 Å
AuthorsMontgomery, M.G. / Petri, J. / Spikes, T.E. / Walker, J.E.
Funding support United Kingdom, 2items
OrganizationGrant numberCountry
Medical Research Council (MRC, United Kingdom)MR/M009858/1 United Kingdom
Medical Research Council (MRC, United Kingdom)MC_UU_00015/8 United Kingdom
CitationJournal: Proc Natl Acad Sci U S A / Year: 2021
Title: Structure of the ATP synthase from provides targets for treating tuberculosis.
Authors: Martin G Montgomery / Jessica Petri / Tobias E Spikes / John E Walker /
Abstract: The structure has been determined by electron cryomicroscopy of the adenosine triphosphate (ATP) synthase from This analysis confirms features in a prior description of the structure of the enzyme, ...The structure has been determined by electron cryomicroscopy of the adenosine triphosphate (ATP) synthase from This analysis confirms features in a prior description of the structure of the enzyme, but it also describes other highly significant attributes not recognized before that are crucial for understanding the mechanism and regulation of the mycobacterial enzyme. First, we resolved not only the three main states in the catalytic cycle described before but also eight substates that portray structural and mechanistic changes occurring during a 360° catalytic cycle. Second, a mechanism of auto-inhibition of ATP hydrolysis involves not only the engagement of the C-terminal region of an α-subunit in a loop in the γ-subunit, as proposed before, but also a "fail-safe" mechanism involving the b'-subunit in the peripheral stalk that enhances engagement. A third unreported characteristic is that the fused bδ-subunit contains a duplicated domain in its N-terminal region where the two copies of the domain participate in similar modes of attachment of the two of three N-terminal regions of the α-subunits. The auto-inhibitory plus the associated "fail-safe" mechanisms and the modes of attachment of the α-subunits provide targets for development of innovative antitubercular drugs. The structure also provides support for an observation made in the bovine ATP synthase that the transmembrane proton-motive force that provides the energy to drive the rotary mechanism is delivered directly and tangentially to the rotor via a Grotthuss water chain in a polar L-shaped tunnel.
History
DepositionFeb 17, 2021Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 27, 2021Provider: repository / Type: Initial release
Revision 1.1Nov 3, 2021Group: Data collection / Database references
Category: em_admin / pdbx_database_proc / pdbx_database_related
Item: _em_admin.last_update
Revision 1.2Dec 1, 2021Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year

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Structure visualization

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Assembly

Deposited unit
A: ATP synthase subunit alpha
B: ATP synthase subunit alpha
C: ATP synthase subunit alpha
D: ATP synthase subunit beta
E: ATP synthase subunit beta
F: ATP synthase subunit beta
G: ATP synthase gamma chain
H: ATP synthase epsilon chain
L: ATP synthase subunit c
M: ATP synthase subunit c
N: ATP synthase subunit c
O: ATP synthase subunit c
P: ATP synthase subunit c
Q: ATP synthase subunit c
R: ATP synthase subunit c
S: ATP synthase subunit c
T: ATP synthase subunit c
a: ATP synthase subunit a
b: ATP synthase subunit b
d: ATP synthase subunit b-delta
hetero molecules


Theoretical massNumber of molelcules
Total (without water)551,68031
Polymers548,67520
Non-polymers3,00511
Water28816
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration, mass spectrometry
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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ATP synthase ... , 8 types, 20 molecules ABCDEFGHLMNOPQRSTabd

#1: Protein ATP synthase subunit alpha / / ATP synthase F1 sector subunit alpha / F-ATPase subunit alpha


Mass: 58951.461 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (bacteria)
Strain: ATCC 700084 / mc(2)155 / Gene: atpA, MSMEG_4938, MSMEI_4811 / Production host: Mycolicibacterium smegmatis (bacteria) / Strain (production host): mc2 4517
References: UniProt: A0R202, H+-transporting two-sector ATPase
#2: Protein ATP synthase subunit beta / / ATP synthase F1 sector subunit beta / F-ATPase subunit beta


Mass: 51670.453 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (bacteria)
Strain: ATCC 700084 / mc(2)155 / Gene: atpD, MSMEG_4936, MSMEI_4809 / Production host: Mycolicibacterium smegmatis (bacteria) / Strain (production host): mc2 4517
References: UniProt: A0R200, H+-transporting two-sector ATPase
#3: Protein ATP synthase gamma chain / ATP synthase F1 sector gamma subunit / F-ATPase gamma subunit


Mass: 33439.836 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium smegmatis (strain ATCC 700084 / mc(2)155) (bacteria)
Strain: ATCC 700084 / mc(2)155 / Gene: atpG, MSMEG_4937, MSMEI_4810 / Production host: Mycolicibacterium smegmatis (bacteria) / Strain (production host): mc2 4517 / References: UniProt: A0R201
#4: Protein ATP synthase epsilon chain / ATP synthase F1 sector epsilon subunit / F-ATPase epsilon subunit


Mass: 13277.741 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium smegmatis (strain ATCC 700084 / mc(2)155) (bacteria)
Strain: ATCC 700084 / mc(2)155 / Gene: atpC, MSMEG_4935, MSMEI_4808 / Production host: Mycolicibacterium smegmatis (bacteria) / Strain (production host): mc2 4517 / References: UniProt: A0R1Z9
#5: Protein
ATP synthase subunit c / / ATP synthase F(0) sector subunit c / F-type ATPase subunit c / F-ATPase subunit c / Lipid-binding protein


Mass: 8597.982 Da / Num. of mol.: 9
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (bacteria)
Strain: ATCC 700084 / mc(2)155 / Gene: atpE, MSMEG_4941 / Production host: Mycolicibacterium smegmatis (bacteria) / Strain (production host): mc2 4517 / References: UniProt: A0R205
#6: Protein ATP synthase subunit a / / ATP synthase F0 sector subunit a / F-ATPase subunit 6


Mass: 27568.482 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (bacteria)
Strain: ATCC 700084 / mc(2)155 / Gene: atpB, MSMEG_4942 / Production host: Mycolicibacterium smegmatis (bacteria) / Strain (production host): mc2 4517 / References: UniProt: A0R206
#7: Protein ATP synthase subunit b / / ATP synthase F(0) sector subunit b / ATPase subunit I / F-type ATPase subunit b / F-ATPase subunit b


Mass: 17636.701 Da / Num. of mol.: 1 / Mutation: C-ter 10His tag
Source method: isolated from a genetically manipulated source
Details: C-ter 10His tag
Source: (gene. exp.) Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (bacteria)
Strain: ATCC 700084 / mc(2)155 / Gene: atpF, MSMEG_4940, MSMEI_4813 / Production host: Mycolicibacterium smegmatis (bacteria) / Strain (production host): mc2 4517 / References: UniProt: A0R204
#8: Protein ATP synthase subunit b-delta /


Mass: 47504.723 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (bacteria)
Strain: ATCC 700084 / mc(2)155 / Gene: atpFH, atpF, atpH, MSMEG_4939, MSMEI_4812 / Production host: Mycolicibacterium smegmatis (bacteria) / Strain (production host): mc2 4517 / References: UniProt: A0R203

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Non-polymers , 4 types, 27 molecules

#9: Chemical
ChemComp-ATP / ADENOSINE-5'-TRIPHOSPHATE / Adenosine triphosphate


Mass: 507.181 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C10H16N5O13P3 / Comment: ATP, energy-carrying molecule*YM
#10: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: Mg
#11: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE / Adenosine diphosphate


Mass: 427.201 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM
#12: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 16 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Mycobacterium smegmatis ATP synthase / Type: COMPLEX / Entity ID: #1-#8 / Source: RECOMBINANT
Molecular weightExperimental value: YES
Source (natural)Organism: Mycolicibacterium smegmatis MC2 155 (bacteria)
Source (recombinant)Organism: Mycolicibacterium smegmatis (bacteria) / Strain: mc2 4517
Buffer solutionpH: 8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy
Image recordingElectron dose: 59.86 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.84 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 12277 / Details: resolution range 2.84-3.88 / Symmetry type: POINT

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